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双折射材料的温度修正 Birefringent Material Temperature Modification AZTn!hrU P.;S6i
n 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: &RP}w%I1 |rbl sL2?Z 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline %g<J"/ L!]~J?) 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 2!4.L&Ki > \KVg(?D 3.Loop over the baseline material samples and determine the number of wavelength entries X;?Z_3I:5 VI(;8 4.Loop over each sampled wavelength entry in the baseline material K{s%h0 Iu -CXc a.Modify the ordinary and extraordinary refractive index values using (2) above ?$T39U^ khW9n* b.Apply the modified values to the non-baseline material 9C{\=?e; j_r7oARL 5.Set a description on the non-baseline material indicating the temperature change from baseline Twj?SV /<s$Am 脚本编程及GUI例程请下载链接: XI*_ti gAY%VFBP0 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs l?/.uNw g}-Ch# http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd $.z~bmH"D vsM] <t -*K!JC- QQ:2987619807 f2#9E+IQ
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